Question

The following is based on information take from Winter Wind Studies in Rocky Mountain National Park, by D. E. Glidden of the Rocky Mountain Nature Association. At five weather stations on Trail Ridge Road in Rocky Mountain National Park, the peak wind gusts in miles per hour for January and April are recorded below:

Weather Station	January	April
1	139	104
2	122	113
3	126	100
4	64	88
5	78	61

Does the information show that the peak of the wind gusts are higher in January than in April? Use 1% level of significance.

Answer 1

as test statisitc is not in rejection region ; we can not reject null hypothesis

we do not have sufficient evidence at 0.01 level to conclude that the peak of the wind gusts are higher in January than in April .